17043521

Appears in sequences

• a(n) = sigma_6(n), the sum of the 6th powers of the divisors of n.at n=15A013954
• Numerator of sum of -6th powers of divisors of n.at n=15A017675
• a(n) = 1^n + 2^n + 4^n + 8^n + 16^n.at n=6A020514
• Base 8 digits are, in order, the first n terms of the periodic sequence with initial period 1,0.at n=8A033118
• Base-4 digits are, in order, the first n terms of the periodic sequence with initial period 1,0,0.at n=12A033140
• a(n) = n^8 + n^6 + n^4 + n^2 + 1.at n=8A059839
• a(n) = ((2*n)^(2*n+2) - 1)/(4*n^2 - 1).at n=4A066210
• Numbers of the form (4^{mr}-1)/(4^r-1) for positive integers m, r.at n=33A076275
• Numbers of the form (8^{mr}-1)/(8^r-1) for positive integers m, r.at n=19A076287
• Eventual period of a single cell in rule 150 cellular automaton in a cyclic universe of width n.at n=58A085588
• Decimal equivalent of the binary string generated by the n X n identity matrix.at n=4A119408
• a(n) = (64^n - 1)/63.at n=5A133853
• Base-2 digits are, in order, the first n terms of the periodic sequence with initial period 1,0,0,0,0,0.at n=24A195904
• Array T(n,m) = (2^(n*m)-1)/(2^m-1) read by antidiagonals, n,m>=1.at n=49A360965
• Triangle read by rows: T(n, k) = Sum_{d=0..n-k} binomial(n, d)*StirlingS2(n-d, k)*63^(n-d-k), with 0 <= k <= n.at n=16A364072